Solubility: Gypsum Is reasonably soluble in water, with a solubility of about 2 grams for each liter at twenty five°C. Interestingly, gypsum exhibits retrograde solubility, that means its solubility decreases as water temperature improves – compared with most salts that grow to be far more soluble in very hot h2o. https://www.propanraya.com/id/produk/eco-gypsum-ee-4050